diff options
author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:16:42 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:16:42 +0000 |
commit | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (patch) | |
tree | f4a8a34f904c1bb86adcc3ae0e14434badc6dbe4 /Build/source/utils/texinfo/m4/longlong.m4 | |
parent | 6c0eafbb1395d426a72a74538e0b2a95e8344ca6 (diff) |
utils 1
git-svn-id: svn://tug.org/texlive/trunk@1484 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/texinfo/m4/longlong.m4')
-rw-r--r-- | Build/source/utils/texinfo/m4/longlong.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Build/source/utils/texinfo/m4/longlong.m4 b/Build/source/utils/texinfo/m4/longlong.m4 new file mode 100644 index 00000000000..028422b6121 --- /dev/null +++ b/Build/source/utils/texinfo/m4/longlong.m4 @@ -0,0 +1,25 @@ +# longlong.m4 serial 5 +dnl Copyright (C) 1999-2004 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert. + +# Define HAVE_LONG_LONG if 'long long' works. + +AC_DEFUN([gl_AC_TYPE_LONG_LONG], +[ + AC_CACHE_CHECK([for long long], ac_cv_type_long_long, + [AC_TRY_LINK([long long ll = 1LL; int i = 63;], + [long long llmax = (long long) -1; + return ll << i | ll >> i | llmax / ll | llmax % ll;], + ac_cv_type_long_long=yes, + ac_cv_type_long_long=no)]) + if test $ac_cv_type_long_long = yes; then + AC_DEFINE(HAVE_LONG_LONG, 1, + [Define if you have the 'long long' type.]) + fi +]) |